rachel? >> sam? >> thank you, sam. >>> coming up, we're at the pool with these astonishing water babies. how they learn to swim even before they can walk. >>> and "storage wars" showdown. why one of the former stars is suing the show, claiming it's rigged. ♪ [ engine revs ] ♪ ♪ [ male announcer ] the mercedes-benz winter event is back, with the perfect vehicle that's just right for you, no matter which list you're on. [ santa ] ho, ho, ho, ho! [ male announcer ] lease a 2013 ml350 for $599 a month at your local mercedes-benz dealer. ok! it's a new way to get cash back deals and it's called bankamerideals. i sign in to my online banking... click the "cash back deals" tab... and pick the deals i want. i just use my bank of america debit or credit card when i pay. and then i get up to 15% cash back... put into my account! i know, right? [ male announcer ] introducing bankamerideals, free for online banking customers. sign in to your online banking to choose your deals today. free for online bankin